Question: This is a question under Operations Management. QUESTION 2 A PERT problem is detailed in the table below. Times are given in weeks. Preceding Optimistic

This is a question under Operations Management.

This is a question under Operations Management.

QUESTION 2 A PERT problem is detailed in the table below. Times are given in weeks. Preceding Optimistic Time 7 2 Probable Time/ Most likely time 9 2 12 5 6 8 A A A B B 3 Activity A B D E F G H I j K 4 Pessimistic Time 14 8 16 10 8 10 4 8 16 14 5 6 8 C, F 3 2 2 6 4 2 D H G, I E, J 8 6 2 a. Calculate the expected time and ES, EF, LF, and LS of each activity. b. Draw diagram network for this project. C. What are the project variance and the project standard deviation? d. What is the estimated completion time? e. What is the probability of completion of the project after week 40

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